API structure has changed
  7 structure changes including:
    
    2 Breaking changes
    1 Addition
    4 Modifications
    2 Removals
        Modified
        4
          Breaking
      
      PATCH /orders/{order}
              - Header
 - 
  Store-Subdomain header Removed
    
- 
          Removing a resource is always breaking unless it was deprecated before Breaking
 
 - 
          Removing a resource is always breaking unless it was deprecated before 
 - Account-ID header Added
 
POST /packages/fulfil
              - Response
 - 
  200 response Removed
    
- 
          Removing a resource is always breaking unless it was deprecated before Breaking
 
 - 
          Removing a resource is always breaking unless it was deprecated before 
 - 204 response Added
 
POST /packages/fulfil/outstanding
              - Response
 - 
  200 response Removed
    
- 
          Removing a resource is always breaking unless it was deprecated before Breaking
 
 - 
          Removing a resource is always breaking unless it was deprecated before 
 - 204 response Added
 
POST /packages/tracking
              - Body
 - 
  application/json content type Modified
    
- 
  package_ids, tracking_numbers properties Removed
    
- 
          Removing a resource is always breaking unless it was deprecated before Breaking
 
 - 
          Removing a resource is always breaking unless it was deprecated before 
 - package_id, tracking_number properties Added
 
 - 
  package_ids, tracking_numbers properties Removed
    
 - Response
 - 
  200 response Removed
    
- 
          Removing a resource is always breaking unless it was deprecated before Breaking
 
 - 
          Removing a resource is always breaking unless it was deprecated before 
 - 204, 404 responses Added
 
        Removed
        2
          Breaking
      
      POST /packages/resend/post
              - Removing a resource is always breaking unless it was deprecated before Breaking
 
POST /vouchers/preview-pdf
              - Removing a resource is always breaking unless it was deprecated before Breaking
 
        Added
        1
      
      POST /packages/resend/post